diff --git a/entrypoint.go b/entrypoint.go
index be5f132..ebe1ff4 100644
--- a/entrypoint.go
+++ b/entrypoint.go
@@ -38,6 +38,7 @@ const (
 	PEER                            = utils.PEER
 	SHARED_WORKSPACE                = utils.SHARED_WORKSPACE
 	RULE                            = utils.RULE
+	BOOKING                         = utils.BOOKING
 )
 
 func (d LibDataEnum) String() string {